Results for 556NATO SBR Barrels & Upper Receivers

Faxon Duty Series AR-15 Barrel 5.56x45mm NATO 13.9" Gunner Contour 1:8" Twist Nitride

Lbe Unlimited Ar75rbk Ready Build Kit 7.5 Chf Barrel

Daniel Defense DD4 RIII S AR-15 Pistol Complete Upper Receiver 5.56x45mm NATO 11.5" Barrel Flat Dark Earth

Daniel Defense AR-15 Barrel 5.56x45mm NATO 14.5" Lightweight Contour 1:7" Twist Mil-Spec Heavy Phosphate Mid Length Gas Port

Lbe Unlimited Ar145rbk 14.5 Upper Build Kit 223 Remington Chf Barrel

Lbe Unlimited Ar125rbk 12.5in CHF Barrel 223 Rem Pistol Length Upper Build Kit

Colt AR-15 Pistol Complete Upper Receiver 5.56x45mm NATO 14.5" Barrel CMR M-LOK Handguard

Sons of Liberty Gun Works Liberty Fighting AR-15 Barrel 5.56x45mm NATO 14.5" Medium Contour 1:7" Twist

FN AR-15 Barrel 5.56x45mm NATO 10.5" Government Contour 1:7" Twist Manganese Phosphate

Ballistic Advantage AR-15 Barrel 5.56x45mm NATO 13.9" Government Contour 1:7" Twist QPQ

Faxon Duty Series AR-15 Barrel 5.56x45mm NATO 12.5" Gunner Contour 1:8" Twist Nitride

Ballistic Advantage Performance Series Barrel 5.56/.223 Rem 13.9 1/2x28

Lbe Unlimited Ar137rbk Upper Build Kit 223 Remington

FightLite Industries MCR Dual Feed Upper 5.56 12.5 Barrel

Geissele AR-15 Super Duty MOD1 Complete Upper Receiver 5.56x45mm 11.5" Cold Hammer Forged Barrel M-LOK DDC

LBE UNLIMITED Cold Hammer Forged Barrel 5.56 13.7" Mid AR-15 Blk

Sons of Liberty Gun Works AR-15 L89 Complete Upper Receiver 5.56x45mm 11.5" Barrel 10.75" L89 M-LOK Rail

Daniel Defense MK18 AR-15 Pistol Complete Upper Receiver 5.56mm NATO 10.3" Barrel Flat Dark Earth

Daniel Defense DDM4v7 S AR-15 Complete Upper Receiver 5.56x45mm NATO 11.5" Barrel

Daniel Defense MK18 AR-15 Pistol Complete Upper Receiver 5.56mm NATO 10.3" Barrel Black

Ballistic Advantage AR-15 Barrel 5.56x45mm NATO 10.3" Hanson Contour 1:7" Twist QPQ with Low Profile Gas Block

Faxon Duty Series AR-15 Barrel 5.56x45mm NATO 10.5" Pencil Contour 1:8" Twist Black Nitride

Daniel Defense AR-15 Barrel 5.56x45mm NATO 10.3" Government Contour 1:7" Twist Mil-Spec Heavy Phosphate

Ballistic Advantage Performance Series AR 15 Barrel 5.56 12.3 Barrel